Free pre-calculus mathematics homework help from qualified mentors. Math courses prior to calculus homework. Please use the template when requesting help and show your work.
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Can the System of Inequalities in R be Solved with Real Numbers x, y, and z?
- Andrax
- · Replies 1 ·
Combining functions and Domain
- ThomasMagnus
- · Replies 7 ·
Precalculus question using trigonometric equations
- grafs50
- · Replies 13 ·
Re-arranging equation: negative time for exponential
- jackscholar
- · Replies 6 ·
Finding the magnitude of a complex exponential function
- Malgrif
- · Replies 2 ·
Is my proof of this inequality correct?
- Back2College
- · Replies 2 ·
Is this the correct way to solve a logarithmic equation?
- lionely
- · Replies 6 ·
Monomials of the form (xi^2)(xj^2) in the expansion of (x1 + x2 +... + x33)^4
- ParisSpart
- · Replies 3 ·
Probability processes of a computer virus
- ronald1664
- · Replies 2 ·
Proving a-b=9 for natural numbers in a set of 100 with a card of 55?
- Andrax
- · Replies 3 ·
Solving a•b=(a+b)^2 with no Identity for Real Numbers
- Zashmar
- · Replies 1 ·
Creating a box and finding volume
- darshanpatel
- · Replies 10 ·
Finding variance of Y = sum of j*X_j where X_j are ±1
- ParisSpart
- · Replies 1 ·
Linear Algebra (Conditions for solutions).
- SherlockOhms
- · Replies 2 ·
Calculating Average of 3 Ball Numbers Drawn from Bag
- ParisSpart
- · Replies 11 ·
Can I use Cramer's rule when the coefficient matrix determinant is 0?
- scientifico
- · Replies 6 ·
How Do You Solve the Recurrence Relation a_n = a_{n-1} + n?
- Darth Frodo
- · Replies 6 ·
Prove the theorems using mathematical induction.
- yy205001
- · Replies 3 ·
Complex exponential to trigonometric simplification
- Malgrif
- · Replies 11 ·
Proof by Contradiction: Showing x ≤ 1 for x∈ℝ+ and t∈T
- yy205001
- · Replies 4 ·
Is the Calculation for Sin and Tan Correct Given Cos in the Third Quadrant?
- andrewkg
- · Replies 14 ·
Average Times Coin Combination Appears in 10 Letters
- ParisSpart
- · Replies 2 ·
How many handshakes occur at a party with 16 people?
- ParisSpart
- · Replies 9 ·
Vectors in R^4 orthogonal to two vectors
- zeralda21
- · Replies 2 ·
Integrating to find the volume of sphere
- mimi.janson
- · Replies 1 ·
Geometric sequence question in IB HL mathematics paper 1 november 2010
- bajoriay
- · Replies 2 ·
What is the Relationship Between Factorials and Unit Digits?
- Saitama
- · Replies 8 ·
Vectors and points on a circle
- Saitama
- · Replies 20 ·
Finding E(2^X) from a moment-generating function
- Tomp
- · Replies 3 ·
Question regarding trinomial expansion
- Hectorreturns
- · Replies 2 ·
Proving Trig Identities: Tan x Sec^4x = Tan x Sec^2x + Tan^3x Sec^2x
- trollcast
- · Replies 5 ·
Proving Vector <a,1,1> is a Subspace in R3
- Offlinedoctor
- · Replies 2 ·
How to find find all P(x) for this functional equation
- tdenise
- · Replies 7 ·
Trigonometry (Double angle formula)
- trollcast
- · Replies 4 ·
A puzzling math geometric sequence question.
- barryj
- · Replies 10 ·
Log Function and Exponent Precedence
- eurythmistan
- · Replies 3 ·
What is the Remainder When a Polynomial is Divided by a Product of Linear Terms?
- sbhit2001
- · Replies 4 ·
Question: Is Hamming function one to one?
- Topgun_68
- · Replies 3 ·
Lifetime of oil with exponential consumption rate
- doombanana
- · Replies 4 ·
Use iteration to make an educated guess at an explicit formula
- Topgun_68
- · Replies 10 ·
Subspaces of ℝ^3 and their bases
- Smazmbazm
- · Replies 9 ·
Prove identity sec^-1(x) = cos^-1(1/x)
- physicsernaw
- · Replies 4 ·
How to Determine if a Polynomial Has Six Nonreal Zeros?
- darshanpatel
- · Replies 9 ·
Finding the reflection of a line in a plane
- SeerAlpha
- · Replies 3 ·
Four probability homework problems with solutions
- Skyrior
- · Replies 4 ·
Probability Weibull Distribution
- GreenPrint
- · Replies 1 ·
Paper Folding Problem (Exponential Functions)
- psav5
- · Replies 8 ·
Solving a Difficult System of Equations in Dynamics
- 74baja
- · Replies 6 ·
Inequality show that question involving two equations
- blopblop
- · Replies 2 ·
Sequence question to do with tile patterns
- Natasha1
- · Replies 14 ·
How do I simplify this k/l ratio?
- 939
- · Replies 4 ·
Number of ways to place n numbers in a circle?
- Avichal
- · Replies 5 ·
Do Lines EF and GH Intersect in Vector Geometry?
- FeDeX_LaTeX
- · Replies 3 ·
A polynomial of degree ≤ 2 ? what does this mean.
- mahrap
- · Replies 6 ·
Proving Trig Identity: $\csc(2\theta)-\cot(2\theta)\equiv\tan(\theta)$
- trollcast
- · Replies 2 ·
Permutations - arrangement of a boat crew of 8 women
- beastlytivo
- · Replies 3 ·
Finding the sum of a trigonometric series
- Skyrior
- · Replies 7 ·
Probability problem of pairing up siblings
- ilvpat
- · Replies 6 ·
Solving an absolute value inequality
- physphys
- · Replies 4 ·
Chord PQ subtending Right angle at centre of ellipse.
- amk_dbz
- · Replies 7 ·
Double arithmetic progression sum formula using STEP I problem
- FeDeX_LaTeX
- · Replies 4 ·
Is the Textbook's Solution to the Complex Algebra Problem Incorrect?
- Plutonium88
- · Replies 8 ·
Find the explicit formula for the nth term of the sequence?
- Topgun_68
- · Replies 12 ·
How Do Parallel and Orthogonal Orientations Affect Line and Plane Equations?
- Offlinedoctor
- · Replies 4 ·
Complex Numbers: Equation involving the argument operator.
- Bradyns
- · Replies 3 ·
What is the new distance walked to the office when his car breaks down?
- chikis
- · Replies 2 ·
Expectanion value probabilities
- ParisSpart
- · Replies 7 ·
Probability of Tying Grass Together
- HKfish
- · Replies 5 ·
Probability Question - Urn problem
- GreenPrint
- · Replies 4 ·
Why is there a free choice of variables when finding eigenvectors?
- synkk
- · Replies 2 ·
Why does the sum of this series equal that value?
- coconut62
- · Replies 2 ·
Buying and Selling Beef Word Problem
- darshanpatel
- · Replies 6 ·
Quadratic Functions Word Problem
- darshanpatel
- · Replies 7 ·
Rolling a pair of dice 20 times
- Science4ver
- · Replies 5 ·
Finding the expected value of tax from a discrete profit distribution
- ParisSpart
- · Replies 10 ·
Probability solved with expected value E(X)
- ParisSpart
- · Replies 1 ·
Trigonometric Identity Proof: v cosδ = V(1-cosβ) + u cos(α-β)
- SP90
- · Replies 1 ·
Ellipse analyticaly geometry problem
- Government$
- · Replies 8 ·
2(-1)^n = -2? Problem with (-1) to the power of natural numbers
- Joe123
- · Replies 1 ·
Hypothesis Testing (Conceptual Problem)
- icystrike
- · Replies 1 ·
Expected value for a 6-choice quiz with penalty for wrong answers
- ParisSpart
- · Replies 8 ·
How to Correctly Approach Partial Fraction Decomposition?
- kai92
- · Replies 2 ·
Finance math: find total interest rate
- 939
- · Replies 1 ·
Proving \frac{a+b}{2}\geq\sqrt{ab} for 0 < a \leq b
- Government$
- · Replies 5 ·
Logarithm and Antilogarithm Tables
- thunderhadron
- · Replies 4 ·
Finding x where x^x^x^x^x equals 2
- altamashghazi
- · Replies 9 ·
Dead bodies - exponential decay
- jackscholar
- · Replies 7 ·
Solving a trignometric equation.
- Matriculator
- · Replies 2 ·
Solving for 2-2^-x in 1/2^x+(2^(x)-1)/2^(x-1)
- jackscholar
- · Replies 2 ·
Solving inequalities algebraically, when root is 0
- supernova1203
- · Replies 3 ·
Quadratic equation for a football throw over a defender
- Swan
- · Replies 1 ·
Quadratic equations: Perimeter and Area fencing dimensions
- Swan
- · Replies 1 ·
In probability formula, what does n represent?
- stepheckert
- · Replies 2 ·
Finding all intersection points of y=(x-1)³ and y=(x-1)(1+x)
- TalkOrigin
- · Replies 5 ·
Distributing 5 different balls to 3 people with each getting at least one
- Sam Morse
- · Replies 14 ·
Solving a Bus Direction Change Problem
- jackscholar
- · Replies 3 ·
Proving Inequalities Involving Positive Real Numbers
- Sam Morse
- · Replies 3 ·
Proving equations, (Discrete maths)
- karan000
- · Replies 3 ·
Difficult rational expressions thinking question
- AvocadosNumber
- · Replies 10 ·
Total Load in PSI on Each Leg/Foot
- RWS000
- · Replies 3 ·